Color

#689df8

#689df8
hex#689df8
rgbrgb(104, 157, 248)
hslhsl(218, 91%, 69%)
oklchoklch(0.699 0.146 260.6)
Closest name: cornflowerblue (#6495ed)Relative luminance 0.3383

Colors that go with #689df8

Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#f8c368

#68e5f8 · #7b68f8

#f8689d · #9df868

Split-complementary

Open in tool →

#f87b68 · #e5f868

#f868e5 · #f8c368 · #68f87b

Contrast

#689df8 as textRatioAAAA largeAAAFix
Aaon white
2.7:1failfailfail
  • AA: use #1f6df4 as the text (4.61:1)
  • AAA: use #094fc8 as the text (7.08:1)
  • AA: or shift the background to #333333 (4.67:1)
  • AAA: or shift the background to #0f0f0f (7.09:1)
Aaon black
7.77:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #689df8 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#689df8 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #689df8
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #689df8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/689df8-9ca6c4-df644e-201f2d-e9f0f1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md